英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
embl查看　embl　在百度字典中的解释百度英翻中〔查看〕
embl查看　embl　在Google字典中的解释Google英翻中〔查看〕
embl查看　embl　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • How Your Circulatory System Works - Cleveland Clinic
    Your circulatory system (cardiovascular system) includes your heart and blood vessels Your heart pumps oxygen-rich blood after your lungs add oxygen to your blood Your circulatory system moves 2,000 gallons of blood a day and more, depending on how active you are
  • In brief: How does the blood circulatory system work?
    The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body It consists of the heart and the blood vessels running through the entire body The arteries carry blood away from the heart; the veins carry it back to the heart
  • Circulatory System: Function, Organs, Diseases - Healthline
    Let’s follow the blood on a simple loop through the circulatory system to see how it works: Oxygen-depleted blood returns to your heart (the right side) via the veins Your heart pumps this
  • What Does the Circulatory System Do? - eMedicineHealth
    The main roles of the blood circulatory system (cardiovascular system) are to deliver nutrients and oxygen to the cells in the body and to have the waste products removed
  • Circulatory system | Functions, Parts, Facts | Britannica
    Molecules are normally conveyed between cells and throughout the body of multicellular organisms in a circulatory fluid, called blood, through special channels, called blood vessels, by some form of pump, which, if restricted in position, is usually called a heart
  • What is the Circulatory System? Functions, Parts, and Flow Explained
    To act as the conduits through which blood travels—transporting oxygen, nutrients, hormones, waste products, and immune cells There are three main types of blood vessels: arteries, veins, and capillaries Arteries carry oxygen-rich blood away from the heart to the tissues
  • Circulatory system - healthdirect
    How does my circulatory system work? Blood that is low in oxygen collects in your heart's right atrium, one of the heart's 4 chambers It moves into the right ventricle, which pumps this blood to your lungs where your red blood cells pick up oxygen and get rid of carbon dioxide
  • Circulatory system: Structure, function, parts, diseases - Kenhub
    Also commonly known as the cardiovascular system, is a network composed of the heart as a centralised pump, blood vessels that distribute blood throughout the body, and the blood itself, for transportation of different substances
  • Cardiovascular System: Organs and Functions Diagram - Verywell Health
    The cardiovascular system, also known as the circulatory system, includes the heart and blood vessels It plays an important role in transporting blood to organs and tissues throughout the body





中文字典-英文字典  2005-2009